Home / 479,790,680.78-719,686,020.90-116,285,036.78

Finding the Fourth Proportional to 479,790,680.78, 719,686,020.90 and 116,285,036.78

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Solution

The fourth proportional to 479,790,680.78, 719,686,020.90 and 116,285,036.78 is: 174,427,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,790,680.78 : 719,686,020.90 = 116,285,036.78 : x
  2. Step 2: Convert to fraction form
    479,790,680.78/719,686,020.90 = 116,285,036.78/x
  3. Step 3: Cross multiply
    479,790,680.78x = 719,686,020.90 × 116,285,036.78
  4. Step 4: Simplify right side
    479,790,680.78x = 83,688,715,410,408,352
  5. Step 5: Solve for x
    x = 83,688,715,410,408,352/479,790,680.78
  6. Step 6: Final answer
    x = 174,427,555.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.